The contact owns a 2016 Jeep Grand Cherokee. The contact stated that while driving at approximately 60 MPH, the driver's head restraint exploded, which caused him to sustain a whiplash injury. No warning lights were illuminated. The vehicle was taken to a local dealer; however, the parts for the repair were on backorder. The vehicle was not repaired. The manufacturer was not made aware of the failure. The approximate failure mileage was 96,000.